Illinois River Close Range Predator Call has been specifically designed for close-in calling, by biting down on the call it can be muted to a barely audible squeak and cry to coax predators those final few yards. Produced by the excellent Illinois River Valley Calls, Dave Jackson's 27 years of experience and instrumental manufacturing of successful calls is detriment to his avid duck, goose and deer hunting over that time. With quick judgement and sound ear, the range of calls produced are reliable and on track for your hunting needs Size: One Size